import { BookModel } from '../../models/book.js';
import { LikeModel } from '../../models/like.js'

const bookModel = new BookModel();
const likeModel = new LikeModel();

Page({

  /**
   * 页面的初始数据
   */
  data: {
    comments: [],
    book: null,
    likeStatus: false,
    likeCount: 0,
    posting: false
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.showLoading();
    const bid = options.bid;
    const detail = bookModel.getDetail(bid);
    const comments = bookModel.getComments(bid);
    const likeStatus = bookModel.getLikeStatus(bid);

    Promise.all([detail, comments, likeStatus])
    .then(res => {
      this.setData({
        book: res[0],
        comments: res[1].comments,
        likeStatus: res[2].like_status,
        likeCount: res[2].fav_nums
      })
      wx.hideLoading();
    })

    // detail.then(res => {
    //   this.setData({
    //     book: res
    //   })
    // })

    // comments.then(res => {
    //   this.setData({
    //     comments: res.comments
    //   })
    // })

    // likeStatus.then(res => {
    //   this.setData({
    //     likeStatus: res.like_status,
    //     likeCount: res.fav_nums
    //   })
    // })
  },

  onLike(event) {
    const like_or_cancel = event.detail.behavior;
    likeModel.like(like_or_cancel, this.data.book.id, 400);
  },

  onFakePost(event) {
    this.setData({
      posting: true
    })
  },

  onCancel(event) {
    this.setData({
      posting: false
    })
  },

  onPost(event) {
    const comment = event.detail.text || event.detail.value;
    // const commentIuput = event.detail.value;

    if(!comment) {
      wx.showToast({
        title: '您没有填写任何短评',
        icon: 'none'
      })
      return
    }

    if(comment.length > 12) {
      wx.showToast({
        title: '短评最多12个字',
        icon: 'none'
      })
      return
    }

    bookModel.postComment(this.data.book.id, comment)
      .then(res => {
        wx.showToast({
          title: '+1',
          icon: "none"
        })

        this.data.comments.unshift({
          content: comment,
          nums: 1
        })

        this.setData({
          comments: this.data.comments,
          posting: false
        })
      })
  }
  
})